diff options
author | Drashna Jael're <drashna@live.com> | 2022-03-25 16:19:22 -0700 |
---|---|---|
committer | Drashna Jael're <drashna@live.com> | 2022-03-25 16:19:22 -0700 |
commit | 53ff570bf068e04740f187163774327839dfa68b (patch) | |
tree | 5429e069fc593d484b0b479de422b51ac239be83 /platforms/chibios/bootloaders | |
parent | e8171efc7158ba4ebb24827680b19b775d366b1a (diff) | |
parent | efc9c525b19b33c6e09057218ea64f07f45f9555 (diff) |
Remerge 0.16.x' into firmware21
Diffstat (limited to 'platforms/chibios/bootloaders')
-rw-r--r-- | platforms/chibios/bootloaders/custom.c | 21 | ||||
-rw-r--r-- | platforms/chibios/bootloaders/gd32v_dfu.c | 40 | ||||
-rw-r--r-- | platforms/chibios/bootloaders/halfkay.c | 25 | ||||
-rw-r--r-- | platforms/chibios/bootloaders/kiibohd.c | 32 | ||||
-rw-r--r-- | platforms/chibios/bootloaders/stm32_dfu.c | 94 | ||||
-rw-r--r-- | platforms/chibios/bootloaders/stm32duino.c | 23 | ||||
-rw-r--r-- | platforms/chibios/bootloaders/tinyuf2.c | 34 |
7 files changed, 269 insertions, 0 deletions
diff --git a/platforms/chibios/bootloaders/custom.c b/platforms/chibios/bootloaders/custom.c new file mode 100644 index 0000000000..bba9fc4637 --- /dev/null +++ b/platforms/chibios/bootloaders/custom.c @@ -0,0 +1,21 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +__attribute__((weak)) void bootloader_jump(void) {} + +__attribute__((weak)) void enter_bootloader_mode_if_requested(void) {} diff --git a/platforms/chibios/bootloaders/gd32v_dfu.c b/platforms/chibios/bootloaders/gd32v_dfu.c new file mode 100644 index 0000000000..baa7d1f882 --- /dev/null +++ b/platforms/chibios/bootloaders/gd32v_dfu.c @@ -0,0 +1,40 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> +#include <hal.h> + +#define DBGMCU_KEY_UNLOCK 0x4B5A6978 +#define DBGMCU_CMD_RESET 0x1 + +__IO uint32_t *DBGMCU_KEY = (uint32_t *)DBGMCU_BASE + 0x0CU; +__IO uint32_t *DBGMCU_CMD = (uint32_t *)DBGMCU_BASE + 0x08U; + +__attribute__((weak)) void bootloader_jump(void) { + /* The MTIMER unit of the GD32VF103 doesn't have the MSFRST + * register to generate a software reset request. + * BUT instead two undocumented registers in the debug peripheral + * that allow issueing a software reset. WHO would need the MSFRST + * register anyway? Source: + * https://github.com/esmil/gd32vf103inator/blob/master/include/gd32vf103/dbg.h */ + *DBGMCU_KEY = DBGMCU_KEY_UNLOCK; + *DBGMCU_CMD = DBGMCU_CMD_RESET; +} + +/* Jumping to bootloader is not possible from user code. */ +void enter_bootloader_mode_if_requested(void) {} diff --git a/platforms/chibios/bootloaders/halfkay.c b/platforms/chibios/bootloaders/halfkay.c new file mode 100644 index 0000000000..168c2abc23 --- /dev/null +++ b/platforms/chibios/bootloaders/halfkay.c @@ -0,0 +1,25 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> +#include "wait.h" + +__attribute__((weak)) void bootloader_jump(void) { + wait_ms(100); + __BKPT(0); +} diff --git a/platforms/chibios/bootloaders/kiibohd.c b/platforms/chibios/bootloaders/kiibohd.c new file mode 100644 index 0000000000..911e807092 --- /dev/null +++ b/platforms/chibios/bootloaders/kiibohd.c @@ -0,0 +1,32 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> + +/* Kiibohd Bootloader (MCHCK and Infinity KB) */ +#define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000 + +const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"; + +__attribute__((weak)) void bootloader_jump(void) { + void *volatile vbat = (void *)VBAT; + __builtin_memcpy(vbat, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic)); + + // request reset + SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk; +} diff --git a/platforms/chibios/bootloaders/stm32_dfu.c b/platforms/chibios/bootloaders/stm32_dfu.c new file mode 100644 index 0000000000..0e74111367 --- /dev/null +++ b/platforms/chibios/bootloaders/stm32_dfu.c @@ -0,0 +1,94 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> +#include <hal.h> +#include "wait.h" + +extern uint32_t __ram0_end__; + +#ifndef STM32_BOOTLOADER_DUAL_BANK +# define STM32_BOOTLOADER_DUAL_BANK FALSE +#endif + +#if STM32_BOOTLOADER_DUAL_BANK +# include "config_common.h" + +# ifndef STM32_BOOTLOADER_DUAL_BANK_GPIO +# error "No STM32_BOOTLOADER_DUAL_BANK_GPIO defined, don't know which pin to toggle" +# endif + +# ifndef STM32_BOOTLOADER_DUAL_BANK_POLARITY +# define STM32_BOOTLOADER_DUAL_BANK_POLARITY 0 +# endif + +# ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY +# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100000 +# endif + +__attribute__((weak)) void bootloader_jump(void) { + // For STM32 MCUs with dual-bank flash, and we're incapable of jumping to the bootloader. The first valid flash + // bank is executed unconditionally after a reset, so it doesn't enter DFU unless BOOT0 is high. Instead, we do + // it with hardware...in this case, we pull a GPIO high/low depending on the configuration, connects 3.3V to + // BOOT0's RC charging circuit, lets it charge the capacitor, and issue a system reset. See the QMK discord + // #hardware channel pins for an example circuit. + palSetPadMode(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_MODE_OUTPUT_PUSHPULL); +# if STM32_BOOTLOADER_DUAL_BANK_POLARITY + palSetPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO)); +# else + palClearPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO)); +# endif + + // Wait for a while for the capacitor to charge + wait_ms(100); + + // Issue a system reset to get the ROM bootloader to execute, with BOOT0 high + NVIC_SystemReset(); +} + +// not needed at all, but if anybody attempts to invoke it.... +void enter_bootloader_mode_if_requested(void) {} + +#else + +/* This code should be checked whether it runs correctly on platforms */ +# define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) +# define BOOTLOADER_MAGIC 0xDEADBEEF +# define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4) + +__attribute__((weak)) void bootloader_jump(void) { + *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader + NVIC_SystemReset(); +} + +void enter_bootloader_mode_if_requested(void) { + unsigned long *check = MAGIC_ADDR; + if (*check == BOOTLOADER_MAGIC) { + *check = 0; + __set_CONTROL(0); + __set_MSP(*(__IO uint32_t *)STM32_BOOTLOADER_ADDRESS); + __enable_irq(); + + typedef void (*BootJump_t)(void); + BootJump_t boot_jump = *(BootJump_t *)(STM32_BOOTLOADER_ADDRESS + 4); + boot_jump(); + while (1) + ; + } +} +#endif diff --git a/platforms/chibios/bootloaders/stm32duino.c b/platforms/chibios/bootloaders/stm32duino.c new file mode 100644 index 0000000000..53d3ba0adb --- /dev/null +++ b/platforms/chibios/bootloaders/stm32duino.c @@ -0,0 +1,23 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> + +__attribute__((weak)) void bootloader_jump(void) { + NVIC_SystemReset(); +} diff --git a/platforms/chibios/bootloaders/tinyuf2.c b/platforms/chibios/bootloaders/tinyuf2.c new file mode 100644 index 0000000000..9ffca5dec8 --- /dev/null +++ b/platforms/chibios/bootloaders/tinyuf2.c @@ -0,0 +1,34 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> + +// From tinyuf2's board_api.h +#define DBL_TAP_MAGIC 0xF01669EF + +// defined by linker script +extern uint32_t _board_dfu_dbl_tap[]; +#define DBL_TAP_REG _board_dfu_dbl_tap[0] + +__attribute__((weak)) void bootloader_jump(void) { + DBL_TAP_REG = DBL_TAP_MAGIC; + NVIC_SystemReset(); +} + +/* not needed, no two-stage reset */ +void enter_bootloader_mode_if_requested(void) {} |